Home / 1,215,302.60-1,677,135.18-671,450.90

Finding the Fourth Proportional to 1,215,302.60, 1,677,135.18 and 671,450.90

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Solution

The fourth proportional to 1,215,302.60, 1,677,135.18 and 671,450.90 is: 926,611.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,302.60 : 1,677,135.18 = 671,450.90 : x
  2. Step 2: Convert to fraction form
    1,215,302.60/1,677,135.18 = 671,450.90/x
  3. Step 3: Cross multiply
    1,215,302.60x = 1,677,135.18 × 671,450.90
  4. Step 4: Simplify right side
    1,215,302.60x = 1,126,113,926,032.66
  5. Step 5: Solve for x
    x = 1,126,113,926,032.66/1,215,302.60
  6. Step 6: Final answer
    x = 926,611.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.